Exercise device



FIG. 1 is a bottom plan view of an exercise device showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view of FIG. 2, the opposite side being a mirror image;

FIG. 4 is a front elevational view of FIG. 2, the rear view being a mirror image;

FIG. 5 is a top plan view of a modified embodiment of the exercise device;

FIG. 6 is a bottom plan view of FIG. 5;

FIG. 7 is a left side elevational view of FIG. 6, the opposite side being a mirror image; and,

FIG. 8 is a front elevational view of FIG. 6, the rear view being a mirror image. 

The ornamental design for an exercise device, as shown and described. 